Linux Tutorials on the topic “virtualization”

Amazon AWS is a great platform to develop a Cloud Infrastrucutre, it supposedly covers every aspect that is needed for a whole IT infrastructure and provides also a nice monitoring tool named Cloud Watch. Today I will show you how to monitor free disk space with Cloud watch.

In the previous tutorial, we have learned about the basics of Vagrant. In this tutorial, we will move to next level and will learn more about Vagrant and setting up LAMP development environment in Vagrant. To start with, LAMP stands for: Linux (OS/Kernel), Apache (Web Server), MySQL (Database), PHP (Scripting Language). It is an open-source Web development environment which lets you create web applications. It is generally also referred as Web Stack.

Vagrant is an highly efficient tool for managing virtual machines via CLI. This increases your and your team's productivity and flexibility. This tutorial will cover the installation of Vagrant on Ubuntu 14.10, explain the basics of this great virtualisation tool and will guide you trough the creation of your first Vagrant instance.

Background
One of my Xen virtual servers needed to have its 400G disk split and resized over the weekend, and I wanted to keep downtime to a minimal. The disk had 240G used, 235G of which was a /backup directory, and the remaining 5G dedicated to a regular Debian Linux installation. I wanted to split the disk into a two disks - a 20GB disk containing the Linux system, and a 300G disk to mount as /backup. Then I could apply my DRBD setup to replicate that 300G backup partition to a separate 2nd backup machine.

Manage Linux Containers with Docker on Ubuntu
This guide explains how to install Docker and manage virtual machines effectively. Docker is a Open Source Linux virtualistaion platform for developers and system administrators to build, deploy, and execute distributed applications easily. Docker consists of the Docker Engine, a light runtime and virtualisation layer, tools to package and version virtual machines similar to a sourcecode repository and Docker Hub, a service in the cloud to share applications and automate workflow. Docker allows applications quickly assembled from components and eliminates friction between development environments, quality control and production.

How to import Howtoforge OVF and OVA Virtual Machine Images in VMware and Virtualbox
This guide explains how to import virtual machine images in the vendor neutral OVF and OVA format into VMware and Virtualbox. I will use a ova image from howtoforge.com as example here. The vmware images from howtoforge can be used as basis for test and production servers.

Installing Guest Additions And Mounting Shared Folders In Virtualbox Virtual Machines In PHPVirtualbox
In this tutorial I will introduce some tips & tricks while using the phpvirtualbox. These tricks make phpvirtualbox functionality better & much more fruitful. I do not issue any guarantee that this will work for you!

Managing A Headless VirtualBox Installation With phpvirtualbox (Ubuntu 14.04 LTS)
phpvirtualbox is a web-based VirtualBox front-end written in PHP that allows you to access and control remote VirtualBox instances. It tries to resemble the VirtualBox GUI as much as possible to make work with it as easy as possible. It is a nice replacement for the VirtualBox GUI if you run VirtualBox in headless servers (like in the tutorial VBoxHeadless - Running Virtual Machines With VirtualBox 4.3 On A Headless Ubuntu 14.04 Server). This tutorial explains how to install phpvirtualbox on an Ubuntu 14.04 server to manage a locally installed, headless VirtualBox.

VBoxHeadless - Running Virtual Machines With VirtualBox 4.3 On A Headless Ubuntu 14.04 LTS Server
This guide explains how you can run virtual machines with VirtualBox 4.3 on a headless Ubuntu 14.04 server. Normally you use the VirtualBox GUI to manage your virtual machines, but a server does not have a desktop environment. Fortunately, VirtualBox comes with a tool called VBoxHeadless that allows you to connect to the virtual machines over a remote desktop connection, so there's no need for the VirtualBox GUI.